Pack of 3 - 4W LED filament retro tubular light bulbs with amber tinted glass. These bulbs utilise the latest LED lighting technology. Their retro inspired filaments replicate that of a traditional radio valve light bulb while using a fraction of the energy. They produce equivalent light output to 40W standard bulbs (440 lumens). Ideal for hotels, period homes, theatres, historic restorations, TV/film applications etc. Authentically detailed filament, ideal for Victorian and art nouveau fixtures. These look fantastic as porch or lantern lamps. Update your ceiling shade or lights with this unique shaped bulb. Use of different types and finishes of bulb can dramatically alter the mood and atmosphere providing bright light in working areas and soft tones in areas of relaxation.